public ProjExpensesTabHandler(ComboBox combo, DataGrid table)
{
ProjectCombo = combo;
ProjectCombo.ItemsSource = ExpenseDBProvider.Instance().getProjects();
ProjectExpenseTable = table;
ProjectExpenseTable.ItemsSource = ExpenseDBProvider.Instance().getProjExpenses();
}
public static ExpenseDBProvider Instance()
{
if (s_DBProvider == null)
{
s_DBProvider = new ExpenseDBProvider();
}
return(s_DBProvider);
}
public void Delete()
{
List <Project> projects = new List <Project>();
foreach (var item in ProjectTable.SelectedItems)
{
projects.Add(item as Project);
}
ExpenseDBProvider.Instance().RemoveRange(projects);
ExpenseDBProvider.Instance().Save();
}
public void Save(int projectId, string usage)
{
foreach (ProjectExpenseView item in ProjectExpenseTable.SelectedItems)
{
ProjectExpense projectExpense = ExpenseDBProvider.Instance().GetProjExpense(item.ID);
projectExpense.ProjectID = projectId;
projectExpense.Usage = usage;
}
ExpenseDBProvider.Instance().Save();
Refresh();
}
public override bool Import()
{
string line = streamReader.ReadLine();
while (line != null)
{
if (line.StartsWith("----"))
{
// We are now at table header
line = streamReader.ReadLine();
line = streamReader.ReadLine();
break;
}
line = streamReader.ReadLine();
}
List <Expense> expenses = new List <Expense>();
while (line != null)
{
string[] fields = line.Split(',');
Expense transaction = new Expense();
if (fields[(int)CSVFormat.InOut].Equals("收入"))
{
line = streamReader.ReadLine();
continue;
}
transaction.TimeStamp = DateTime.Parse(fields[(int)CSVFormat.Time]);
transaction.Product = string.Format("{0} - {1}", fields[(int)CSVFormat.Seller], fields[(int)CSVFormat.Product]);
transaction.Price = float.Parse(fields[(int)CSVFormat.Price].Replace("¥", ""));
transaction.Source = source;
expenses.Add(transaction);
line = streamReader.ReadLine();
}
if (expenses.Count == 0)
{
return(false);
}
ExpenseDBProvider.Instance().AddRange(expenses);
ExpenseDBProvider.Instance().Save();
return(true);
}
public Result Export(string filename)
{
try
{
Application excel = new Application();
excel.Visible = false;
Workbooks workbooks = excel.Workbooks;
Workbook workbook = workbooks.Add(XlWBATemplate.xlWBATWorksheet);
Worksheet worksheet = (Worksheet)workbook.Worksheets[1];
initHeader(worksheet);
int rowIndex = 2;
int colIndex = 1;
List <ProjectExpenseView> data = ExpenseDBProvider.Instance().getProjExpenses();
foreach (ProjectExpenseView projectExpense in data)
{
worksheet.Cells[rowIndex, colIndex++] = rowIndex - 1;
worksheet.Cells[rowIndex, colIndex++] = projectExpense.ProjectName;
worksheet.Cells[rowIndex, colIndex++] = projectExpense.Product;
worksheet.Cells[rowIndex, colIndex++] = projectExpense.Usage;
worksheet.Cells[rowIndex, colIndex++] = projectExpense.Price;
worksheet.Cells[rowIndex, colIndex++] = projectExpense.TimeStamp;
rowIndex++;
colIndex = 1;
}
worksheet.Columns.AutoFit();
workbook.SaveAs(filename);
workbook.Close(true, Type.Missing, Type.Missing);
excel.Quit();
return(Result.Success);
}
catch
{
return(Result.Fail);
}
}
public override bool Import()
{
string line = streamReader.ReadLine();
while (line != null)
{
// We are now at table header
if (!line.StartsWith("#"))
{
line = streamReader.ReadLine();
break;
}
line = streamReader.ReadLine();
}
List <Expense> expenses = new List <Expense>();
while (line != null && !line.StartsWith("#"))
{
string[] fields = line.Split(',');
Expense transaction = new Expense();
transaction.TimeStamp = DateTime.Parse(fields[(int)CSVFormat.Time]);
transaction.Product = fields[(int)CSVFormat.Product];
transaction.Price = float.Parse(fields[(int)CSVFormat.Price]);
transaction.Source = source;
expenses.Add(transaction);
line = streamReader.ReadLine();
}
if (expenses.Count == 0)
{
return(false);
}
ExpenseDBProvider.Instance().AddRange(expenses);
ExpenseDBProvider.Instance().Save();
return(true);
}
public void Save()
{
List <ProjectExpense> projectExpenses = new List <ProjectExpense>();
foreach (ExpenseView expense in ExpenseTable.ItemsSource)
{
if (expense.Dirty)
{
ProjectExpense projectExpense = ExpenseDBProvider.Instance().GetProjExpenseByExpense(expense.ID);
if (projectExpense == null && expense.IsBusiness)
{
ExpenseDBProvider.Instance().Add(expense.ToProjectExpense());
}
else if (projectExpense != null && !expense.IsBusiness)
{
ExpenseDBProvider.Instance().Remove(projectExpense);
}
}
}
ExpenseDBProvider.Instance().Save();
}
public Result Save(string name, string description)
{
if (ExpenseDBProvider.Instance().findProject(name))
{
return(Result.AlreadyExist);
}
Project project = new Project();
project.ProjectName = name;
project.ProjectDescription = description;
try
{
ExpenseDBProvider.Instance().Add(project);
ExpenseDBProvider.Instance().Save();
return(Result.Success);
}
catch
{
return(Result.Fail);
}
}
public override void Refresh()
{
ProjectTable.ItemsSource = ExpenseDBProvider.Instance().getProjects();
}
public ProjectTabHandler(DataGrid tab)
{
ProjectTable = tab;
ProjectTable.ItemsSource = ExpenseDBProvider.Instance().getProjects();
}
public bool CanExport()
{
return(ExpenseDBProvider.Instance().getProjExpenses().Count > 0);
}
public void Reset()
{
ExpenseDBProvider.Instance().Reset();
}
public override void Refresh()
{
ExpenseTable.ItemsSource = ExpenseDBProvider.Instance().getExpenses();
}
public ExpensesTabHandler(DataGrid tab)
{
ExpenseTable = tab;
ExpenseTable.ItemsSource = ExpenseDBProvider.Instance().getExpenses();
}
